This feature plots amplitude over time against frequency, creating a heat map useful for identifying ringing frequencies and room resonances.

What and audio interface do you plan to use? Share public link

Leo plugged in his measurement mic and fired pink noise through the PA. On his screen, the sprang to life.

The first version built to run natively on both Mac and PC.

Version 6 moved away from the rigid single-window views of older versions. It introduced a tabbed configuration, allowing engineers to switch quickly between RTA views, transfer functions, and impulse response measurements without losing active data caches. 3. Advanced Delay Tracking

: Measuring time-domain characteristics, reflections, and intelligibility criteria like RT60 and STI. The Legacy & End-of-Life

: Installers are no longer available for download. If you have it running, it will continue to work, but it cannot be re-installed or activated on new hardware if a hard drive fails or a computer is replaced .

no longer provides technical support, installers, or activations for v6. Existing installations may still work, but they cannot be moved to new machines. comparison of features between the classic Smaart v6 and the current Smaart v6 End of Life Notification - Rational Acoustics 02-Mar-2026 —